Finding the Fourth Proportional to 45,729,497,947, 68,586,638,782.56 and 13,850,591,545.12
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Solution
The fourth proportional to 45,729,497,947, 68,586,638,782.56 and 13,850,591,545.12 is: 20,773,582,958.01
Step by Step Solution
- Step 1: Write the proportion equation
45,729,497,947 : 68,586,638,782.56 = 13,850,591,545.12 : x - Step 2: Convert to fraction form
45,729,497,947/68,586,638,782.56 = 13,850,591,545.12/x - Step 3: Cross multiply
45,729,497,947x = 68,586,638,782.56 × 13,850,591,545.12 - Step 4: Simplify right side
45,729,497,947x = 949,965,519,229,925,064,704 - Step 5: Solve for x
x = 949,965,519,229,925,064,704/45,729,497,947 - Step 6: Final answer
x = 20,773,582,958.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.